Astronomical Data Software

C88 by alcyone software

C88 is an informational tool for amateur astronomers. It provides detailed informations about the celestial sphere objects, visible with naked eyes and for the use of an eyepiece of a modest amateur telescope to observe deep sky objects.

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HiCalendar by Mouloud

HiCalendar converts dates to Gregorian, Julian,Islamic, Jewish and Chinese dates and back. Thus, you get all these calendars into a one simple-of-use calendar. HiCalendar calculates the Easter and Pesach dates for any year between 999 and 2399.

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